April weather forecast
Cựa Thôn, Vietnam

April, the same as March, is another warm spring month in Cựa Thôn, Vietnam, with an average temperature ranging between max 29.7°C (85.5°F) and min 22.9°C (73.2°F).

Temperature

With the transition into April, Cựa Thôn experiences a subtle uplift in average high-temperatures, adjusting from 26.7°C (80.1°F) in March to a still moderately hot 29.7°C (85.5°F). The average temperature during April nights is registered at an agreeable 22.9°C (73.2°F).

Heat index

The heat index in April is estimated at a fiery hot 37°C (98.6°F). Exercise special caution, heat exhaustion and heat cramps are probable. Prolonged activity may induce heatstroke.
When considering the heat index, it's pivotal to note it is for shade and mild wind conditions. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', comes about by integrating the temperature readings with the humidity levels. Factors such as metabolic variations, being pregnant, and physical activity can impact an individual's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Youngsters frequently overlook the need for breaks and fluid intake. Thirst is an advanced sign of dehydration - thereby highlighting the importance of keeping hydrated, particularly during long physical activities.
To combat high temperatures, the human body perspires and relies on sweat evaporation for cooling. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. If heat absorption exceeds the body's cooling ability, body temperature can elevate, resulting in potential thermal illnesses.

Humidity

In April, the average relative humidity is 80%.

Rainfall

In April, the rain falls for 19.1 days. Throughout April, 47mm (1.85") of precipitation is accumulated. In Cựa Thôn, during the entire year, the rain falls for 247.6 days and collects up to 1260mm (49.61") of precipitation.

Daylight

In Cựa Thôn, Vietnam, the average length of the day in April is 12h and 32min.
On the first day of April, sunrise is at 05:47 and sunset at 18:06. On the last day of the month, sunrise is at 05:27 and sunset at 18:13 +07.

Sunshine

In April, the average sunshine is 9.2h.

UV index

The months with the highest UV index are April through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A daily maximum UV index of 7 in April translates into the following instructions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Stay in the shade and limit direct sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its strongest. Remember, however, that not all shade structures provide full sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.